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La2 Lara - Lara Limestone

This information has been developed from the publications:

  • Sites of Geological and Geomorphological Significance in the Western Region of Melbourne (1986) by Neville Rosengren
  • Sites of Geological and Geomorphological Significance on the Coast of Port Phillip Bay (1988) by Neville Rosengren.
  • Sites of Geological and Geomorphological Significance in the Shire of Otway (1984) by Neville Rosengren.
Geological heritage sites, including sites of geomorphological interest and volcanic heritage sites, are under regular revision by the Geological Society of Australia, especially in the assessment of significance and values. Reference should be made to the most recent reports. See the Earth Science Heritage (external link) section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.

LocationLara - 724875. Former Shire of Corio. Valley of Hovells Creek at the Melbourne - Geelong Railway bridge, 16 km north of Geelong.

La2 - Limestone, Lara.

Access

Station Lake Road and Brotherhood of St Laurence Village.

Ownership

Crown land and private land.

Site Description

The river cliffs on the north side of Hovells Creek, and a small disused quarry west of the railway line, expose sections of the crystalline Lara Limestone. This freshwater limestone was deposited over the Newer Volcanics, in lakes that formed from the damming of streams by the newly erupted lavas. The lakes have since drained and Hovells Creek has incised a valley exposing the limestone and underlying sediments.

Significance

Regional. The Lara Limestone has a limited distribution and is a major example of a post-basaltic non-marine deposit.

Management

Class 2. Filling or regrading of the valley slopes and the wall of the quarry should not be undertaken, as this would obscure the main sections available of the Lara Limestone.
References
Pritchard, G.B. (1985).

Wilkinson, H.E. (1972). The Duck Ponds Fossil Marsupial Fauna, Hovell's Creek, Lara, Victoria. Memoirs. Nat. Museum. Vic. 33:41-46.


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